The Dexes / Satellite Decay / 43564

CelestialObjectDex · Satellite Decay

GSAT0221 (GALILEO 25)

43564 · 2026-03-31T01:10:55Z

Fixes
156
Sensor hits
0
Observations
156
Altitude — track
156 measured points · 2026-03-312026-08-07
Mean motion — track
156 measured points · 2026-03-312026-08-07

The record

Everything the slot carries, as measured. Series arrays are drawn above and listed here in full.

start_utc2026-03-31T01:10:55.184448+00:00
end_utc2026-08-07T02:20:44.564928+00:00
familycelestialdex
norad_id43,564
object_nameGSAT0221 (GALILEO 25)
groupactive
eccentricity_median0.000
inclination_deg_median57.166
n_snaps156
span_days129.048
mean_motion_first1.705
mean_motion_last1.705
delta_mean_motion0.000
altitude_first_km23221.993
altitude_last_km23221.934
decay_rate_rev_day20.000
altitude_decay_km_day-0.001
decay_notemean_motion slope (rev/day^2) and altitude slope (km/day) from least-squares fit of measured GP elements; altitude from Kepler a=(GM/n^2)^(1/3) - R_earth
first_utc2026-03-31T01:10:55.184448+00:00
last_utc2026-08-07T02:20:44.564928+00:00
last_fix_utc2026-08-07T02:20:44.564928+00:00
provisionalfalse
track[{"utc":"2026-03-31T01:10:55.184448+00:00","mean_motion":1.70475638,"altitude_km":23221.993,"eccentricity":0.0004721,"inclination_deg":57.1934},{"utc":"2026-04-08T06:16:30.741024+00:00","mean_motion":

Provenance

  • celestrak

Storage: dossier · celestial_storehouse/satellite_decay/43564.json

GSAT0221 (GALILEO 25) — Satellite Decay — TerraPulse